lst = [[1,2,3,4,5],[2,6,7,8],[1,3,6,7,8]]func = lambda x: [line[x] for line in lst if len(line) > x]func(3)[4, 8, 7]func(4)[5, 8]
-更新-
func = lambda x: [ (line[x],i) for i,line in enumerate(lst) if len(line) > x]func(4)[(5, 0), (8, 2)]
lst = [[1,2,3,4,5],[2,6,7,8],[1,3,6,7,8]]func = lambda x: [line[x] for line in lst if len(line) > x]func(3)[4, 8, 7]func(4)[5, 8]
-更新-
func = lambda x: [ (line[x],i) for i,line in enumerate(lst) if len(line) > x]func(4)[(5, 0), (8, 2)]
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